Step 1 : Before creating slicers, we are going to create a dynamic date table so we will be using it for time intelligence. To do that, click on the modeling tab then click on the 'New Table' and follow the gif.
Step 2 : This is illustrated by using a GIF, follow along to create Year slicer.
Step 3 : Copy the Year slicer and follow the gif to create Conference slicer.
Before
each season, players are given a copy of the fine schedule and a clear
explanation of rule violations and penalties so players and teams can have a
better understanding to their actions. . You can click the link here to get
more info about the process of how NFL fines and suspensions works.
Ref: https://operations.nfl.com/football-ops/nfl-rules-enforcement/